Which airports can I use when flying from Southampton to Washington, D.C. Dulles Intl Airport?

Flights from Southampton to Washington, D.C. Dulles Intl Airport usually depart from Southampton Eastleigh (SOU) and arrive at Washington, D.C. Dulles Intl (IAD).

What cabin classes can I book on flights from Southampton to Washington, D.C. Dulles Intl Airport?

Only Economy Class is available on flights from Southampton to Washington, D.C. Dulles Intl Airport.

Which airports do connecting flights from Southampton to Washington, D.C. Dulles Intl Airport pass through?

Connecting flights from Southampton to Washington, D.C. Dulles Intl Airport most commonly pass through: • Dublin (DUB) - 86% of one-stop connections • Amsterdam Schiphol (AMS) - 14% of one-stop connections

Can I save money by using flexible dates for flights from Southampton to Washington, D.C. Dulles Intl Airport?

Yes. Flexible dates can save you up to 14% on flights from Southampton to Washington, D.C. Dulles Intl Airport. Thursday is the cheapest departure day at $706 round-trip on average, while Tuesday is the most expensive at $815, a difference of $109. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

What popular places can I visit in Washington, D.C. Dulles Intl Airport?

Some of the most popular sights in Washington, D.C. Dulles Intl Airport are Walter E. Washington Convention Center, National Mall and Capital One Arena. These are among the most viewed places in Washington, D.C. Dulles Intl Airport on KAYAK.

Do I need a passport to fly from Southampton to Washington, D.C. Dulles Intl Airport?

Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

How much time can I save by choosing a different layover airport from Southampton to Washington, D.C. Dulles Intl Airport?

Flying via Dublin (DUB) gives the shortest average 1-stop total travel time at 11h 29m, compared with 12h 03m via Amsterdam Schiphol (AMS).

What is the time difference between Southampton and Washington, D.C. Dulles Intl Airport?

Washington, D.C. Dulles Intl Airport is 5 hours behind Southampton (Eastern Time vs British Time). Plan for the time shift when scheduling connections or first-day activities.

What car rental options are available at Washington, D.C. Dulles Intl Airport (IAD)?

Washington, D.C. Dulles Intl Airport (IAD) hosts 5 major car rental companies, with daily rates starting from around $24 for economy cars. Top options include: • Dollar • Budget • Hertz • Sixt • Thrifty

How much should I expect to pay for a Southampton to Washington, D.C. Dulles Intl Airport flight?

Round-trip flights from Southampton to Washington, D.C. Dulles Intl Airport range from $706 to $815, with an average of $774 over the past 12 months. Anything below $706 counts as a good deal.

Which airline is the cheapest to fly from Southampton to Washington, D.C. Dulles Intl Airport?

British Airways ($679) offered the cheapest round-trip ticket from Southampton to Washington, D.C. Dulles Intl Airport in the last 5 days.

What’s the most popular layover airport when flying from Southampton to Washington, D.C. Dulles Intl Airport?

Dublin (DUB) is the most popular layover for the Southampton to Washington, D.C. Dulles Intl Airport route. 86% of KAYAK users who booked 1-stop round-trips over the past 3 months connected via DUB.

What is the cheapest layover airport when flying from Southampton to Washington, D.C. Dulles Intl Airport?

Flights via Amsterdam Schiphol (AMS) offer the most affordable fares, with an average round-trip price of $739. Based on KAYAK data over the past 3 months.

When flying from Southampton to Washington, D.C. Dulles Intl Airport which airport offers the shortest layover?

Dublin (DUB) had the shortest average connection time for Southampton to Washington, D.C. Dulles Intl Airport layovers at 7h 12m over the past 3 months.

$496 CHEAP FLIGHTS from Southampton to Washington, D.C. (SOU - IAD)

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Cheapest round-trip

$679

Typical prices: $706-$815

British Airways

Sat 11/3Sat 11/10

SOU - IAD • 1 stop

Cheapest one-way

$496

Typical prices: $425-$772

Aer Lingus

Fri 11/23

SOU - IAD • 1 stop

When to travel

July

Cheapest • 10% price drop

March

Most popular

Good to know

Top layover airports

Amsterdam Schiphol (AMS)

Cheapest • Avg $739 (round-trip)

Dublin (DUB)

Shortest trip • 11h 29m (one-way)

Insights

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We hope you love your trip to Washington, D.C. Dulles Intl Airport!

Flight Deals

Cheap Flights from Southampton to Dulles Intl (SOU-IAD)

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Recent round-trip flight deals from Southampton to Dulles Intl

Tue, Nov 3 - Tue, Nov 10

9:20 am - 3:45 pmSOU Southampton Eastleigh-IAD Washington, D.C. Dulles Intl

11h 25m1 stop Dublin

5:15 pm - 8:50 amIAD Washington, D.C. Dulles Intl-SOU Southampton Eastleigh

10h 35m1 stop Dublin

$679British Airways

Wed, Nov 4 - Wed, Nov 11

9:20 am - 7:20 pmSOU Southampton Eastleigh-IAD Washington, D.C. Dulles Intl

15h 00m1 stop Dublin

8:50 pm - 7:30 pmIAD Washington, D.C. Dulles Intl-SOU Southampton Eastleigh

17h 40m1 stop Dublin

$680British Airways

Thu, Nov 5 - Thu, Nov 12

12:25 pm - 7:20 pmSOU Southampton Eastleigh-IAD Washington, D.C. Dulles Intl

11h 55m1 stop Dublin

5:15 pm - 11:55 amIAD Washington, D.C. Dulles Intl-SOU Southampton Eastleigh

13h 40m1 stop Dublin

$681British Airways

Thu, Oct 29 - Thu, Nov 5

12:25 pm - 8:20 pmSOU Southampton Eastleigh-IAD Washington, D.C. Dulles Intl

11h 55m1 stop Dublin

5:15 pm - 11:55 amIAD Washington, D.C. Dulles Intl-SOU Southampton Eastleigh

13h 40m1 stop Dublin

$683British Airways

Thu, Oct 29 - Thu, Nov 5

12:25 pm - 8:20 pmSOU Southampton Eastleigh-IAD Washington, D.C. Dulles Intl

11h 55m1 stop Dublin

8:50 pm - 11:55 amIAD Washington, D.C. Dulles Intl-SOU Southampton Eastleigh

10h 05m1 stop Dublin

$684British Airways

Thu, Oct 29 - Thu, Nov 5

12:25 pm - 8:20 pmSOU Southampton Eastleigh-IAD Washington, D.C. Dulles Intl

11h 55m1 stop Dublin

5:15 pm - 11:55 amIAD Washington, D.C. Dulles Intl-SOU Southampton Eastleigh

13h 40m1 stop Dublin

$685British Airways

Tue, Oct 6 - Tue, Oct 13

9:15 am - 3:45 pmSOU Southampton Eastleigh-IAD Washington, D.C. Dulles Intl

11h 30m1 stop Dublin

9:05 pm - 7:30 pmIAD Washington, D.C. Dulles Intl-SOU Southampton Eastleigh

17h 25m1 stop Dublin

$687British Airways

Fri, Nov 6 - Mon, Nov 9

8:00 pm - 3:45 pmSOU Southampton Eastleigh-IAD Washington, D.C. Dulles Intl

24h 45m1 stop Dublin

8:50 pm - 7:30 pmIAD Washington, D.C. Dulles Intl-SOU Southampton Eastleigh

17h 40m1 stop Dublin

$688British Airways

Fri, Nov 20 - Mon, Nov 30

8:00 pm - 3:45 pmSOU Southampton Eastleigh-IAD Washington, D.C. Dulles Intl

24h 45m1 stop Dublin

8:50 pm - 7:30 pmIAD Washington, D.C. Dulles Intl-SOU Southampton Eastleigh

17h 40m1 stop Dublin

$695British Airways

Thu, Nov 12 - Sun, Nov 15

9:20 am - 3:45 pmSOU Southampton Eastleigh-IAD Washington, D.C. Dulles Intl

11h 25m1 stop Dublin

5:15 pm - 8:50 amIAD Washington, D.C. Dulles Intl-SOU Southampton Eastleigh

10h 35m1 stop Dublin

$719British Airways

Recent last minute flight deals from Southampton to Dulles Intl

Tue, Sep 29 - Fri, Oct 9

8:00 pm - 7:25 pmSOU Southampton Eastleigh-IAD Washington, D.C. Dulles Intl

28h 25m1 stop Dublin

5:15 pm - 4:50 pmIAD Washington, D.C. Dulles Intl-SOU Southampton Eastleigh

18h 35m1 stop Dublin

$700British Airways

Tue, Sep 29 - Sat, Oct 10

8:00 pm - 7:25 pmSOU Southampton Eastleigh-IAD Washington, D.C. Dulles Intl

28h 25m1 stop Dublin

5:15 pm - 8:35 amIAD Washington, D.C. Dulles Intl-SOU Southampton Eastleigh

10h 20m1 stop Dublin

$740British Airways

Mon, Sep 28 - Sun, Oct 4

8:00 pm - 3:45 pmSOU Southampton Eastleigh-IAD Washington, D.C. Dulles Intl

24h 45m1 stop Dublin

5:15 pm - 8:40 amIAD Washington, D.C. Dulles Intl-SOU Southampton Eastleigh

10h 25m1 stop Dublin

$741British Airways

Tue, Sep 29 - Wed, Oct 7

8:00 pm - 3:45 pmSOU Southampton Eastleigh-IAD Washington, D.C. Dulles Intl

24h 45m1 stop Dublin

7:15 pm - 7:00 pmIAD Washington, D.C. Dulles Intl-SOU Southampton Eastleigh

18h 45m2 stops London Heathrow Belfast City

$771British Airways

Mon, Sep 28 - Mon, Oct 5

8:00 pm - 3:45 pmSOU Southampton Eastleigh-IAD Washington, D.C. Dulles Intl

24h 45m1 stop Dublin

10:25 pm - 7:00 pmIAD Washington, D.C. Dulles Intl-SOU Southampton Eastleigh

15h 35m2 stops London Heathrow Belfast City

$772British Airways

Tue, Sep 29 - Sat, Oct 10

8:00 pm - 3:45 pmSOU Southampton Eastleigh-IAD Washington, D.C. Dulles Intl

24h 45m1 stop Dublin

10:25 pm - 8:25 amIAD Washington, D.C. Dulles Intl-SOU Southampton Eastleigh

29h 00m2 stops London Heathrow Belfast City

$781British Airways

Mon, Sep 28 - Sun, Oct 4

5:20 pm - 3:45 pmSOU Southampton Eastleigh-IAD Washington, D.C. Dulles Intl

27h 25m1 stop Dublin

10:25 pm - 8:25 amIAD Washington, D.C. Dulles Intl-SOU Southampton Eastleigh

29h 00m2 stops London Heathrow Belfast City

$782British Airways

Tue, Sep 29 - Fri, Oct 9

8:00 pm - 7:25 pmSOU Southampton Eastleigh-IAD Washington, D.C. Dulles Intl

28h 25m1 stop Dublin

5:45 pm - 2:25 pmIAD Washington, D.C. Dulles Intl-SOU Southampton Eastleigh

15h 40m2 stops London Heathrow Edinburgh Turnhouse

$1,152British Airways

Sat, Sep 26 - Sat, Oct 10

5:20 pm - 3:45 pmSOU Southampton Eastleigh-IAD Washington, D.C. Dulles Intl

27h 25m1 stop Dublin

5:15 pm - 8:35 amIAD Washington, D.C. Dulles Intl-SOU Southampton Eastleigh

10h 20m1 stop Dublin

$1,218British Airways

Mon, Sep 28 - Thu, Oct 8

5:20 pm - 3:45 pmSOU Southampton Eastleigh-IAD Washington, D.C. Dulles Intl

27h 25m1 stop Dublin

5:45 pm - 8:55 pmIAD Washington, D.C. Dulles Intl-SOU Southampton Eastleigh

22h 10m2 stops London Heathrow Newcastle upon Tyne

$1,246British Airways

Booking Insights

Price, demand and travel trends for Southampton to Washington, D.C. Dulles Intl Airport flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

Prices

Airlines

Layovers

How much is a round-trip flight from Southampton to Washington, D.C. Dulles Intl Airport?

Round-trip flights from Southampton to Washington, D.C. Dulles Intl Airport typically range from $706 to $815. The lowest price found in the past 5 days was $679, on British Airways.

Find deals

Low season	January
High season	March
Cheapest flight	$496

The most popular month to fly with an average 118% increase in travelers.

One-way flight from Southampton to Washington, D.C. Dulles Intl Airport

When to book flights from Southampton to Dulles Intl

Are your dates flexible? Find out the best times to travel from Southampton to Dulles Intl based on our flight data from the last year. Discover the cheapest month and even day to fly.

Estimated round-trip price

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

What cabin classes can I book on flights from Southampton to Washington, D.C. Dulles Intl Airport?
Only Economy Class is available on flights from Southampton to Washington, D.C. Dulles Intl Airport.
How long is a flight from Southampton to Washington, D.C. Dulles Intl Airport?
There are currently no nonstop flights available from Southampton to Washington, D.C. Dulles Intl Airport. Flights with 1 layover take between 11h 29m and 12h 03m in total, depending on the connection.
Do I need a passport to fly from Southampton to Washington, D.C. Dulles Intl Airport?
Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.
How much should I expect to pay for a Southampton to Washington, D.C. Dulles Intl Airport flight?
Round-trip flights from Southampton to Washington, D.C. Dulles Intl Airport range from $706 to $815, with an average of $774 over the past 12 months. Anything below $706 counts as a good deal.
Have flight prices from Southampton to Washington, D.C. Dulles Intl Airport changed much recently?
Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $679 to $5,589. That means the highest observed fare was about 8x higher than the lowest one.
How are flight prices from Southampton to Washington, D.C. Dulles Intl Airport looking right now?
One-way fares from Southampton to Washington, D.C. Dulles Intl Airport are currently lower than usual. Average one-way flight prices are about $617, which is 15% below the typical average for this route.
What car rental options are available at Washington, D.C. Dulles Intl Airport (IAD)?
Washington, D.C. Dulles Intl Airport (IAD) hosts 5 major car rental companies, with daily rates starting from around $24 for economy cars. Top options include:

• Dollar
• Budget
• Hertz
• Sixt
• Thrifty
Which airports can I use when flying from Southampton to Washington, D.C. Dulles Intl Airport?
Flights from Southampton to Washington, D.C. Dulles Intl Airport usually depart from Southampton Eastleigh (SOU) and arrive at Washington, D.C. Dulles Intl (IAD).
Which airports do connecting flights from Southampton to Washington, D.C. Dulles Intl Airport pass through?
Connecting flights from Southampton to Washington, D.C. Dulles Intl Airport most commonly pass through:

• Dublin (DUB) - 86% of one-stop connections
• Amsterdam Schiphol (AMS) - 14% of one-stop connections
Can I save money by using flexible dates for flights from Southampton to Washington, D.C. Dulles Intl Airport?
Yes. Flexible dates can save you up to 14% on flights from Southampton to Washington, D.C. Dulles Intl Airport. Thursday is the cheapest departure day at $706 round-trip on average, while Tuesday is the most expensive at $815, a difference of $109.

KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.
How much time can I save by choosing a different layover airport from Southampton to Washington, D.C. Dulles Intl Airport?
Flying via Dublin (DUB) gives the shortest average 1-stop total travel time at 11h 29m, compared with 12h 03m via Amsterdam Schiphol (AMS).
What is the time difference between Southampton and Washington, D.C. Dulles Intl Airport?
Washington, D.C. Dulles Intl Airport is 5 hours behind Southampton (Eastern Time vs British Time). Plan for the time shift when scheduling connections or first-day activities.
What popular places can I visit in Washington, D.C. Dulles Intl Airport?
Some of the most popular sights in Washington, D.C. Dulles Intl Airport are Walter E. Washington Convention Center, National Mall and Capital One Arena. These are among the most viewed places in Washington, D.C. Dulles Intl Airport on KAYAK.

If your dates are flexible, aim for a Thursday departure and avoid flying on Tuesday. On this route, Thursday flights average $706, about $109 less than Tuesday fares (13% savings) based on the last 12 months.
If you can choose when to travel, plan your Southampton to Washington, D.C. Dulles Intl Airport trip for July. Fares historically average $700 round-trip in that month - typically $704 less than the most expensive month, which is April (based on the last 12 months).

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SOU - IAD

$496 Find Cheap Flights from Southampton to Washington, D.C. - Compare and Save

Everything you should know

Cheap Flights from Southampton to Dulles Intl (SOU-IAD)

Recent round-trip flight deals from Southampton to Dulles Intl

Recent one-way flight deals from Southampton to Dulles Intl

Recent last minute flight deals from Southampton to Dulles Intl

Price, demand and travel trends for Southampton to Washington, D.C. Dulles Intl Airport flights

How much is a round-trip flight from Southampton to Washington, D.C. Dulles Intl Airport?

Which airline is the cheapest to fly from Southampton to Washington, D.C. Dulles Intl Airport?

What’s the most popular layover airport when flying from Southampton to Washington, D.C. Dulles Intl Airport?

What is the cheapest layover airport when flying from Southampton to Washington, D.C. Dulles Intl Airport?

When flying from Southampton to Washington, D.C. Dulles Intl Airport which airport offers the shortest layover?

Key details for Southampton to Washington, D.C. Dulles Intl Airport flights

Low season

High season

Cheapest flight

When to book flights from Southampton to Dulles Intl

Your Southampton to Washington, D.C. Dulles Intl Airport flight questions, answered

Your guide to booking Southampton to Washington, D.C. Dulles Intl Airport flights

More options for your flight from Southampton to Dulles Intl

Complete your trip to Washington, D.C. with a hotel stay or car rental

Information on your arrival and departure airports

Cabin class types available on flights to Dulles Intl

Find direct flights to and from Southampton and Dulles Intl

Flights from domestic origins to Dulles Intl

Flights to other popular destinations

Find deals for your return flight